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    "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n",
    "<div class=\"toc\" style=\"margin-top: 1em;\"><ul class=\"toc-item\"><li><span><a href=\"#Body-cavities\" data-toc-modified-id=\"Body-cavities-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>Body cavities</a></span></li></ul></div>"
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   "source": [
    "# Class 2.1.5 - Body Cavities"
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    "Location of organs in relation to the body cavities."
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   "source": [
    "## Body cavities"
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    "**It consists of:**\n",
    "\n",
    "* Dorsal or posterior cavity:\n",
    "  * Cranial cavity (contains brain);\n",
    "  * Spinal cavity (contains spinal cord);\n",
    "* Ventral or anterior cavity;\n",
    "  * Thoracic cavity (contains heart and lungs);\n",
    "  * Abdominopelvic cavity;\n",
    "    * (Superior) abdominal cavity (contains digestive viscera);\n",
    "    * (Inferior) pelvic cavity (contains urinary bladder, reproductive organs, and rectum);\n",
    "\n",
    "**Characteristics**\n",
    "\n",
    "* Our body maintains its internal organization by having different compartmentalization;\n",
    "* Dorsal and ventral cavities are the largest body compartments. These cavities contains and protect delicate internal organs;\n",
    "* Cranial and Spinal cavities are continuous and uninterrupted so as to protect the delicate nervous system;\n",
    "* Thoracic and Abdominopelvic cavities are separated by diaphragm;\n",
    "* Abdominopelvic cavity is the largest body cavity\n",
    "* Ventral cavity allows for significant changes in size and shape. Dorsal cavity doesn't;\n",
    "* There are 2 dorsal cavities and 3 ventral cavities."
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